####################配置文件开始###################
 # For advice on how to change settings please see
 # http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html
 # *** DO NOT EDIT THIS FILE. It's a template which will be copied to the
 # *** default location during install, and will be replaced if you
 # *** upgrade to a newer version of MySQL.
 [client]
 default-character-set=utf8

 [mysqld]
 port=3306
 basedir ="D:\MySqlDataBase\mysql-5.7.5-m15-winx64/"
 datadir ="D:\MySqlDataBase\mysql-5.7.5-m15-winx64/data/"
 tmpdir ="D:\MySqlDataBase\mysql-5.7.5-m15-winx64/data/"
 socket ="D:\MySqlDataBase\mysql-5.7.5-m15-winx64/data/mysql.sock"
 log-error="D:\MySqlDataBase\mysql-5.7.5-m15-winx64/data/mysql_error.log"

 #server_id = 2
 #skip-locking
 max_connections=100
 table_open_cache=256
 query_cache_size=1M

 tmp_table_size=32M
 thread_cache_size=8
 innodb_data_home_dir="D:\MySqlDataBase\mysql-5.7.5-m15-winx64/data/"
 innodb_flush_log_at_trx_commit =1
 innodb_log_buffer_size=128M
 innodb_buffer_pool_size=128M
 innodb_log_file_size=10M
 innodb_thread_concurrency=16
 innodb-autoextend-increment=1000
 join_buffer_size = 128M
 sort_buffer_size = 32M
 read_rnd_buffer_size = 32M
 max_allowed_packet = 32M
 explicit_defaults_for_timestamp=true
 sql-mode="STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"
 #sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
####################配置文件结束###################

mysql>show databases;
mysql>use mysql;
mysql> UPDATE user SET password=PASSWORD('wenthink') WHERE user='root';
 
　　mysql> FLUSH PRIVILEGES;
 
mysql> QUIT